Cat washroom



FIG. 1 is a front perspective view of a cat washroom showing my design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof, the opposite side being a mirage image thereof; and,

FIG. 4 is a top view thereof.

In the drawings, the broken lines defining interior features and hardware are for illustrative purposes only and form no part of the claimed design. No claim is made to features of the rear and bottom sides. 

The ornamental design for a cat washroom, as shown and described. 